66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
*
|
|
* Based on Sprinter and grbl.
|
|
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef MACROS_H
|
|
#define MACROS_H
|
|
|
|
// Macros to make a string from a macro
|
|
#define STRINGIFY_(M) #M
|
|
#define STRINGIFY(M) STRINGIFY_(M)
|
|
|
|
// Macros for bit masks
|
|
#define TEST(n,b) (((n)&_BV(b))!=0)
|
|
#define SBI(n,b) (n |= _BV(b))
|
|
#define CBI(n,b) (n &= ~_BV(b))
|
|
#define SET_BIT(n,b,value) (n) ^= ((-value)^(n)) & (_BV(b))
|
|
|
|
// Macros for maths shortcuts
|
|
#define RADIANS(d) ((d)*M_PI/180.0)
|
|
#define DEGREES(r) ((r)*180.0/M_PI)
|
|
|
|
// Macros to contrain values
|
|
#define NOLESS(v,n) do{ if (v < n) v = n; }while(0)
|
|
#define NOMORE(v,n) do{ if (v > n) v = n; }while(0)
|
|
|
|
// Macros to support option testing
|
|
#define _CAT(a, ...) a ## __VA_ARGS__
|
|
#define SWITCH_ENABLED_false 0
|
|
#define SWITCH_ENABLED_true 1
|
|
#define SWITCH_ENABLED_0 0
|
|
#define SWITCH_ENABLED_1 1
|
|
#define SWITCH_ENABLED_ 1
|
|
#define ENABLED(b) _CAT(SWITCH_ENABLED_, b)
|
|
#define DISABLED(b) (!_CAT(SWITCH_ENABLED_, b))
|
|
|
|
#define NUMERIC(a) ((a) >= '0' && '9' >= (a))
|
|
#define NUMERIC_SIGNED(a) (NUMERIC(a) || (a) == '-')
|
|
#define COUNT(a) (sizeof(a)/sizeof(*a))
|
|
|
|
#define PIN_EXISTS(PN) (defined(PN ##_PIN) && PN ##_PIN >= 0)
|
|
|
|
#define PENDING(NOW,SOON) ((long)(NOW-(SOON))<0)
|
|
#define ELAPSED(NOW,SOON) (!PENDING(NOW,SOON))
|
|
|
|
#define NOOP do{}while(0)
|
|
|
|
#endif //__MACROS_H
|